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        The directory in which persistent metadata files are stored
        can now be configured. By default persistent metadata files
        are stored in the environment home directory. The files that
        will be stored in the metadata directory are __db.rep.system,
        __db.rep.gen, __db.rep.egen and __db.rep.init.
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        To set the metadata file directory, call
        <a href="../api_reference/C/envset_metadata_dir.html" class="olink">DB_ENV-&gt;set_metadata_dir()</a> with the path to the directory in which
        to store metadata files. The metadata directory can also be
        set in the <code class="literal">DB_CONFIG</code> file using
        <code class="literal">set_metadata_dir</code>.
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